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Factory Direct Through Bolt With Mill Test Report Carbon Steel Full Sizes Available 1 Year Warranty

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Product Spotlights

Factory direct carbon steel through bolts with full size availability (M6-M30) and Mill Test Report for material traceability. 1-year warranty, customizable lengths and finishes, competitive pricing, and global export experience since 2020. Ideal for structural, mechanical, and construction applications.
US$ 0.01 - 0.5 MOQ: 1000 Pieces
Key Specifications
Get Latest Price
Material:
Carbon Steel
Size Range:
Full Sizes Available (M6-M30)
Length:
Customizable Length
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Hefei SENOTECH New Materials Co., Ltd
Gold Verified Supplier
1Yr
Verified Business License
Payment & Shipping
Payment Methods:
Port of Shipment:
Tianjin
Delivery Detail:
30 days

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Material Carbon Steel
Size Range Full Sizes Available (M6-M30)
Length Customizable Length
Thread Type Full Thread or Partial Thread
Surface Finish Plain, Zinc Plated, Hot-dip Galvanized
Packaging Export Standard Carton + Pallet
Warranty 1 Year
Report Mill Test Report Included

Hefei SENOTECH New Materials Co., Ltd is proud to present our Factory Direct Through Bolt with Mill Test Report — a high-strength, reliable fastening solution engineered for demanding industrial applications. Since 2020, we have been supplying carbon steel through bolts to global markets including North America, South America, Europe, and Asia, with an annual export value of US$1 million to US$1.5 million. Our through bolts are manufactured from premium carbon steel, available in full size ranges, and each shipment comes with a comprehensive Mill Test Report to guarantee material traceability and quality assurance. Backed by a 1-year warranty, this product offers peace of mind for contractors, fabricators, and OEMs seeking cost-effective, factory-direct sourcing.

Key Features & Benefits:

  • Full Size Availability: From M6 to M30 and custom diameters/lengths, we cover your specific project requirements.
  • Mill Test Report (MTR): Every batch is tested and documented, providing chemical composition and mechanical property data for traceability.
  • Carbon Steel Construction: High tensile strength, excellent durability, and suitability for structural, mechanical, and construction applications.
  • Factory Direct Pricing: Eliminate middlemen — get competitive prices without compromising quality.
  • 1-Year Warranty: We stand behind our product; any manufacturing defect will be replaced or refunded.
  • Customizable Options: Thread types (full/partial), surface finishes (plain, zinc plated, hot-dip galvanized), and packaging available upon request.

Technical Specifications (Typical Values):

Parameter Details
Material Carbon Steel (e.g., ASTM A307 Grade A/B, SAE J429 Grade 2/5)
Diameter Range M6 – M30 (1/4" – 1-1/8" imperial also available)
Length Range Customizable from 20mm to 500mm (or longer on request)
Thread Pitch Coarse (UNC/UNF) or Fine (metric) per customer specification
Surface Finish Plain (black), Zinc Plated (clear/blue/yellow), Hot-dip Galvanized
Tensile Strength 60,000 – 120,000 psi (depending on grade)
Packaging Bulk in cartons, palletized, or as per customer request
Warranty 12 months against manufacturing defects

Why Choose Our Through Bolts?

  • Reliable Quality Control: Each production lot undergoes rigorous inspection, and the Mill Test Report is provided as standard documentation.
  • Global Experience: Our products are exported to over 15 regions including North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, the Middle East, and Western Europe.
  • Flexible Logistics: We offer FOB, CIF, and EXW terms; small samples and bulk orders are both welcome.
  • Customer-Centric Service: Our sales team provides fast response, technical support, and after-sales assistance.

Trust & Credibility: Hefei SENOTECH New Materials Co., Ltd has been serving the global fastener market since 2020. With an annual export value exceeding US$1 million and a presence in markets across all continents, we have built a reputation for delivering consistent quality and on-time delivery. Our Mill Test Report ensures full traceability of the carbon steel used, and our 1-year warranty reflects our confidence in the product. Whether you need a small batch for a prototype or full container loads for large-scale construction, we are your reliable partner. Contact us today to discuss your requirements and receive a competitive quote.

Frequently Asked Questions (FAQ)

  1. Q: What is a Mill Test Report (MTR)?
    A: An MTR is a quality assurance document that provides the chemical composition, mechanical properties, and heat treatment details of the steel used in the bolt. It is included with every shipment to verify material compliance.
  2. Q: Can I order non-standard sizes?
    A: Yes, we offer custom lengths and diameters. Please provide your specific dimensions, and we will confirm feasibility and lead time.
  3. Q: What surface finishes are available?
    A: Standard finishes include plain (black oxide), zinc plated, and hot-dip galvanized. Other finishes like Dacromet or Geomet can be arranged upon request.
  4. Q: Do you provide samples before bulk order?
    A: Absolutely. We can send samples for evaluation. Sample cost is negotiable, and shipping is at your expense.
  5. Q: What is the typical lead time?
    A: For standard sizes and finishes, 15–25 working days after order confirmation. Custom orders may require 25–35 days.
  6. Q: How is the product packaged for export?
    A: Bolts are packed in strong cartons, then palletized and wrapped with stretch film to prevent damage during transit. Custom packaging (e.g., small boxes, poly bags) is available.
  7. Q: What is your warranty policy?
    A: We offer a 1-year warranty covering manufacturing defects. If you encounter any quality issues, please contact us with photos and order details for a replacement or refund.
  8. Q: Do you supply to [specific country]?
    A: We export worldwide. Our main markets include North America, South America, Europe, Asia, Africa, and Oceania. Please inquire about shipping options to your location.
Product Tags: Through Bolt , Carbon Steel Hex Bolt , MTR Bolt

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Hefei SENOTECH New Materials Co., Ltd
Gold Verified Supplier
1Yr
Verified Business License
Business Type
Trading Company
Year Established
2020
Annual Export Value
US$1 Million - US$1.5 Million
Main Markets
North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe, Central America, Northern Europe, Southern Europe, South Asia
Contact Supplier Request Quote Chat Now

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